Anthraquinone dyes having alkylsulfonylamino substituents

Details Anthraquinone dyes having alkylsulfonylamino substituents Anthraquinone dyes having alkylsulfonylamino substituents

1989-07-21

1991-07-23

Ivy, C. Warren

Organic compounds -- part of the class 532-570 series

Organic compounds

Polycyclo ring system containing anthracene configured ring...

552243, 552248, 552253, 552254, C07C 9724, C07C14338

Patent

active

050345478

ABSTRACT:
New anthraquinone dyes, free of water-solubilizing groups such as --SO.sub.3 H and --CO.sub.2 H comprise anthraquinone substituted with one or more identical or different groups of the formula --NHSO.sub.2 R, wherein R is a substituted or unsubstituted linear, branched, cyclic or polycyclic alkyl group having up to 20 carbon atoms, and wherein the remaining nuclear aromatic carbon atoms of the anthraquinone may be substituted with substituents selected from the group: alkyl; the halogens F, Cl, and Br; cyano; nitro; aminosulfonyl; arylsulfonylamino; and --NHCOQ; wherein Q is hydrogen, an alkyl, an aryl, or a heterocyclic group.
These dyes have improved solubility, lowered melting point, and possess outstanding resistance to light-induced fading.

REFERENCES:
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Chemistry in Britain, "Electronic Photography--The Future", Peter Gregory, Jan. 1989, pp. 47-50.
Chemical Processing of Synthetic Fibers and Blends, K. V. Datye and A. A. Vaidya, 1984, John Wiley and Sons, Chapter 15, Transfer Printing, pp. 396-416.

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